First of all I'm no spark and i completely understand that work on the consumer unit in this was my abide to Part P but i have two questions on fitting a Bell Transformer
1) I know you have to provide over current protection for the transformer but what about Earth leakage?
I have been thinking about this and not sure it would make sense as surely the RCBO would only protect the 230v cable which would wholly be in the consumer unit and any break on the 12v side would not cause the RCD to trip.
Is my thinking correct?
2) These Transformer say that you can wire the 12v in bell wire unless it is to be mounted in the consumer unit, in which case you must supply protection to the 12v against 230v
How do people do this? Sleeving? and i guess this is only for the amount of cable within the consumer unit
1) I know you have to provide over current protection for the transformer but what about Earth leakage?
I have been thinking about this and not sure it would make sense as surely the RCBO would only protect the 230v cable which would wholly be in the consumer unit and any break on the 12v side would not cause the RCD to trip.
Is my thinking correct?
2) These Transformer say that you can wire the 12v in bell wire unless it is to be mounted in the consumer unit, in which case you must supply protection to the 12v against 230v
How do people do this? Sleeving? and i guess this is only for the amount of cable within the consumer unit